Question: Which canal has the largest discharge?
Paraphrase: State the canal with the largest discharge.
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q12284 . ?ent wdt:P2225 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: Nieuwe Merwede, Scolmatore dell'Arno, Indira Gandhi Canal, Canale Biffis, Canale Cavour